280257840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{129749}}^1$

素因数の和:129771

約数の個数: 80

約数和(自身を含む): 965340000

約数和(自身を除く): 685082160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 129749, 259498, 389247, 518996, 648745, 778494, 1037992, 1167741, 1297490, 1556988, 1946235, 2075984, 2335482, 2594980, 3113976, 3503223, 3892470, 4670964, 5189960, 5838705, 6227952, 7006446, 7784940, 9341928, 10379920, 11677410, 14012892, 15569880, 17516115, 18683856, 23354820, 28025784, 31139760, 35032230, 46709640, 56051568, 70064460, 93419280, 140128920, 280257840]

約数ペア:

[(1, 280257840), (2, 140128920), (3, 93419280), (4, 70064460), (5, 56051568), (6, 46709640), (8, 35032230), (9, 31139760), (10, 28025784), (12, 23354820), (15, 18683856), (16, 17516115), (18, 15569880), (20, 14012892), (24, 11677410), (27, 10379920), (30, 9341928), (36, 7784940), (40, 7006446), (45, 6227952), (48, 5838705), (54, 5189960), (60, 4670964), (72, 3892470), (80, 3503223), (90, 3113976), (108, 2594980), (120, 2335482), (135, 2075984), (144, 1946235), (180, 1556988), (216, 1297490), (240, 1167741), (270, 1037992), (360, 778494), (432, 648745), (540, 518996), (720, 389247), (1080, 259498), (2160, 129749)]